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X-Received-From: 2607:f8b0:400d:c0d::242 Subject: [Qemu-devel] [PATCH 04/88] cocci: avoid use of g_new0() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , qemu trival , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- scripts/coccinelle/g_new.cocci | 46 ++++++++++++++++++++++++++++++++++++++= ++++ 1 file changed, 46 insertions(+) diff --git a/scripts/coccinelle/g_new.cocci b/scripts/coccinelle/g_new.cocci index 368f0c5651..9643ce3f23 100644 --- a/scripts/coccinelle/g_new.cocci +++ b/scripts/coccinelle/g_new.cocci @@ -127,6 +127,52 @@ T **m; - *m =3D g_malloc0(sizeof(**m)); + *m =3D g_new0(T *, 1); =20 +//////////////////////////////////////// +// +// no point in zeroing the allocation +// + +// the loop right afterwards fully initializes the memory +@@ +type T; +identifier a, i; +expression c, e; +@@ +( +-a =3D g_new0(T, c); + ... when !=3D a, c ++a =3D g_new(T, c); + for (i =3D 0; i < c; i++) { + a[i] =3D e; + } +| +-a =3D g_try_new0(T, c); + ... when !=3D a, c ++a =3D g_try_new(T, c); + for (i =3D 0; i < c; i++) { + a[i] =3D e; + } +) + +// compound literals +@@ +type T; +identifier p; +expression s, e; +@@ +( +- p =3D g_malloc0(s); ++ p =3D g_malloc(s); +| +- p =3D g_try_malloc0(s); ++ p =3D g_try_malloc(s); +| +- p =3D g_new0(T, 1); ++ p =3D g_new(T, 1); +) + ... when !=3D p + *p =3D e; + //////////////////////////////////////// // // last transformations: cleanups --=20 2.14.2